Demulsibility Tester

Demulsibility testing solutions for petroleum, fuel, and industrial oils.
Demulsibility testers are used to evaluate the ability of petroleum products, fuels, and industrial oils to separate from water under controlled conditions. This test is essential for assessing oil–water separation performance in refining, storage, and industrial applications.

Demulsibility Test Methods:

Demulsibility Test Methods
Different demulsibility test methods are applied depending on oil type and application:
Oil–Water Separation Test
Emulsion Stability Observation
Temperature-Controlled Demulsification

Standards for Demulsibility Testing

Demulsibility testers are designed to comply with major international standards, including:
ASTM D1401
ISO 6614
ASTM D2711

Demulsibility Testing Solutions

Demulsibility testing determines how effectively petroleum products and industrial oils release water when mixed under standardized test conditions.

Poor demulsibility can lead to water retention, corrosion, reduced lubrication efficiency, and operational issues in fuel systems and industrial equipment. Demulsibility testing supports quality control, product formulation, and condition assessment across petroleum and industrial oil applications.

Demulsibility testers provide consistent agitation, precise temperature control, and reliable observation of oil–water separation behavior.

Applications of Demulsibility Tester

Our demulsibility testers are widely used in:

· Oil–water separation performance evaluation of petroleum products
· Fuel quality testing for water contamination behavior
· Industrial oil and process oil demulsibility assessment
· Refinery quality control and product specification testing
· Condition monitoring of in-service oils

Key Demulsibility Testing Parameters

· Separation Time
Time required for complete oil–water separation.

· Emulsion Layer Volume
Measurement of stable emulsion formed during testing.

· Test Temperature
Controlled temperature according to specified standards.

· Phase Clarity
Visual assessment of oil and water phase clarity after separation.

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Demulsibility Tester

Automatic Demulsibility Tester
Designed for petroleum and industrial oil laboratories, offering precise temperature control, standardized agitation, and clear observation of separation behavior.

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FAQ – Demulsibility Tester